Welcome to Defender Canada! 
Description
- Instantly removes waterline stains, algae, barnacle marks, rust, and exhaust stains
- Safe for fiberglass and gelcoat surfaces
- Easy brush-on, rinse-off application
- Water-based, non-flammable formula
MaryKate On & Off Hull & Bottom Cleaner Item # 871924
Description
Features:
- CRC/Marykate On & Off Hull & Bottom Cleaner works instantly to remove the toughest waterline stains, algae and barnacle stains, rust and gas exhaust stains
- Specifically formulated for use on fiberglass
- Will not harm gelcoat
- Not for Use on Metals or Painted Surfaces
- Easy brush-on/rinse-off application
- Water based and non-flammable